{{Tr|Willy Ley}} (initial translation); it's unclear if the other publications all reprint this text
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1958 |
|
Fantasia Mathematica | Simon & Schuster | Anthology | 237 |
| 1961 |
|
Fantasia Mathematica | Simon & Schuster | Anthology | 237 |
| July 1985 |
|
Great Science Fiction: Stories by the World's Great Scientists | Donald I. Fine | Anthology | 73 |
| May 1986 |
|
Great Science Fiction: Stories by the World's Great Scientists | Primus / Donald I. Fine | Anthology | 73 |
| May 1997 |
|
Fantasia Mathematica | Copernicus | Anthology | 237 |
| May 1998 |
|
Around the World | Borealis / White Wolf Publishing | Anthology | 182 |